std::deque::size

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C++ Standard Library
Language Utilities library Strings library Containers library Algorithms library Iterators library Numerics library Input/output library Localizations library Regular expressions library (C++11) Atomic operations library (C++11) Thread support library (C++11)
Containers library
array (C++11) vector deque forward_list (C++11) list set multiset map multimap unordered_set (C++11) unordered_multiset (C++11) unordered_map (C++11) unordered_multimap (C++11) stack queue priority_queue
std::deque
Member functions deque::deque deque::~deque deque::operator= deque::assign deque::get_allocator Element access deque::front deque::back Iterators deque::begin deque::cbegin (C++11) deque::end deque::cend (C++11) deque::rbegin deque::crbegin (C++11) deque::rend deque::crend (C++11) Capacity deque::empty deque::size deque::max_size deque::shrink_to_fit Modifiers deque::clear deque::insert deque::emplace deque::erase deque::push_front deque::emplace_front deque::pop_front deque::push_back deque::emplace_back deque::pop_back deque::resize deque::swap

size_type size() const;

Returns the number of elements in the container, i.e. std::distance(begin(), end()).

Contents 1 Parameters 2 Return value 3 Exceptions 4 Complexity 5 See also

[edit] Parameters

(none)

[edit] Return value

the number of elements in the container

[edit] Exceptions

[edit] Complexity

constant

[edit] See also

empty	checks whether the container is empty (public member function)
max_size	returns the maximum possible number of elements (public member function)
resize	changes the number of elements stored (public member function)